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Controladores para LED en automóviles

TPS92601-Q1

ACTIVO

Controlador LED de modo de conmutación de detección de corriente de lado alto monocanal para automoc

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TPS92692-Q1 ACTIVO Controlador LED de alta precisión con modulación de frecuencia de espectro extendido y generador PWM Higher input voltage and higher current output.

TPS92601-Q1

ACTIVO
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Detalles del producto

Number of channels 1 Topology Boost Controller, Buck Controller, Buck-Boost Controller, Flyback Controller, SEPIC Controller Rating Automotive Operating temperature range (°C) -40 to 125 Vin (min) (V) 4 Vin (max) (V) 40 Vout (min) (V) 4 Vout (max) (V) 75 Iout (max) (A) 1.5 Iq (typ) (mA) 8 Switching frequency (max) (kHz) 600 Features Adjustable Switch Frequency, Enable/Shutdown, Soft Start, Synchronization Pin, Thermal shutdown
Number of channels 1 Topology Boost Controller, Buck Controller, Buck-Boost Controller, Flyback Controller, SEPIC Controller Rating Automotive Operating temperature range (°C) -40 to 125 Vin (min) (V) 4 Vin (max) (V) 40 Vout (min) (V) 4 Vout (max) (V) 75 Iout (max) (A) 1.5 Iq (typ) (mA) 8 Switching frequency (max) (kHz) 600 Features Adjustable Switch Frequency, Enable/Shutdown, Soft Start, Synchronization Pin, Thermal shutdown
HTSSOP (PWP) 20 41.6 mm² 6.5 x 6.4
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C4B
  • Input Voltage: 4 V–40 V (45 V Abs. Max.)
  • Output Voltage: 4 V–75 V (80 V Abs. Max.)
  • Fixed-Frequency Current-Mode Controller With Integrated Slope Compensation
  • Two Regulation Loops, Constant-Current Output and Constant-Voltage Output of Each Channel
  • High-Side Current Sense:
    • 150-mV or 300-mV Sense Voltage (EEPROM Option)
    • ±6-mV Offset (Achieving Approx. 4% or 2% LED Current Accuracy)
  • Output Voltage Sense, Internal Voltage Reference: 2.2 V ±5%
  • Integrated Low-Side NMOS-FET Driver: Peak Gate-Drive Current Typ. 0.7 A
  • Frequency Synchronization
  • Both PWM Dimming and Analog Dimming
  • Diagnostic:
    • High-Side Current (LED Current) Available as Analog Output
    • Open-LED and Short-to-GND Detection
    • Shorted Output Protection
  • Internal Under- and Overvoltage Lockout
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C4B
  • Input Voltage: 4 V–40 V (45 V Abs. Max.)
  • Output Voltage: 4 V–75 V (80 V Abs. Max.)
  • Fixed-Frequency Current-Mode Controller With Integrated Slope Compensation
  • Two Regulation Loops, Constant-Current Output and Constant-Voltage Output of Each Channel
  • High-Side Current Sense:
    • 150-mV or 300-mV Sense Voltage (EEPROM Option)
    • ±6-mV Offset (Achieving Approx. 4% or 2% LED Current Accuracy)
  • Output Voltage Sense, Internal Voltage Reference: 2.2 V ±5%
  • Integrated Low-Side NMOS-FET Driver: Peak Gate-Drive Current Typ. 0.7 A
  • Frequency Synchronization
  • Both PWM Dimming and Analog Dimming
  • Diagnostic:
    • High-Side Current (LED Current) Available as Analog Output
    • Open-LED and Short-to-GND Detection
    • Shorted Output Protection
  • Internal Under- and Overvoltage Lockout

The TPS9260x-Q1 family of devices is a single-channel and dual-channel high-side-current LED driver. With full protection and diagnostics, this family of devices is dedicated for and ideally suited to automotive front lighting. The base of each independent driver is a peak-current-mode boost controller. Each controller has two independent feedback loops, a current-feedback loop with a high-side current-sensing shunt and a voltage-feedback loop with an external resistor-divider network. The controller delivers a constant output voltage or a constant output current. The connected load determines whether the device regulates a constant output current (if the circuit reaches the current set-point earlier than voltage set-point) or a constant output voltage (if the circuit reaches the voltage set-point is reached first, for example, in an open-load condition).

Each controller supports all typical topologies such as boost, boost-to-battery, SEPIC, or flyback.

Uses of the high-side PMOS FET driver are for PWM dimming of the LED string and for cutoff in case of an external short circuit to GND to protect the circuit.

The TPS9260x-Q1 family of devices is a single-channel and dual-channel high-side-current LED driver. With full protection and diagnostics, this family of devices is dedicated for and ideally suited to automotive front lighting. The base of each independent driver is a peak-current-mode boost controller. Each controller has two independent feedback loops, a current-feedback loop with a high-side current-sensing shunt and a voltage-feedback loop with an external resistor-divider network. The controller delivers a constant output voltage or a constant output current. The connected load determines whether the device regulates a constant output current (if the circuit reaches the current set-point earlier than voltage set-point) or a constant output voltage (if the circuit reaches the voltage set-point is reached first, for example, in an open-load condition).

Each controller supports all typical topologies such as boost, boost-to-battery, SEPIC, or flyback.

Uses of the high-side PMOS FET driver are for PWM dimming of the LED string and for cutoff in case of an external short circuit to GND to protect the circuit.
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Documentación técnica

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* Data sheet TPS9260x-Q1 Single- and Dual-Channel Automotive Headlight LED Driver datasheet (Rev. E) PDF | HTML 12 jul 2018
White paper LED Drivers for Automotive Exterior Applications (Rev. B) 27 mar 2018

Diseño y desarrollo

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Placa de evaluación

TPS92602EVM — TPS92602EVM: Módulo de evaluación de controlador LED de detección de corriente lateral alta de 2 can

The TPS92602EVM evaluation module (EVM) helps designers evaluate the operation and performance of the TPS92602-Q1 2-channel high side current sense DCDC MOSFET controller. The TPS92602-Q1is designed to drive automotive high-brightness light emitting diodes (LEDs) and features a wide input voltage (...)

Guía del usuario: PDF
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Modelo de simulación

TPS92601-Q1 Unencrypted PSpice Transient Model Package (Rev. B)

SLUM445B.ZIP (59 KB) - PSpice Model
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Herramienta de simulación

PSPICE-FOR-TI — PSpice® para herramienta de diseño y simulación de TI

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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Diseños de referencia

TIDA-01372 — Diseño de referencia de lámpara frontal LED para automoción con animación de giro secuencial

This reference design is analog solution for automotive front lamp with sequential turn animation with the SEPIC topology, and this design also realizes full automotive diagnostic with low quiescent current during fault mode.
Design guide: PDF
Esquema: PDF
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
HTSSOP (PWP) 20 Ultra Librarian
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Pedidos y calidad

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  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

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